Block Diagram - Display/Power Section - Sony HCD-GN1100D Service Manual

HCD-GN1100D
7-6. BLOCK DIAGRAM – DISPLAY/POWER SECTION –
X900
4MHz
P1 – 36
ND900 G1,22,23 BUFFER
FLUORESCENT Q917, 918, 919
INDICATOR TUBE
G2-21
VF1
VF2
D900
-VG
(-32V)
16
IC902
SPECTRUM
15
ANALYZER
IN2
2
14
13
SPEANA
MAIN
G X 1
IN1
SECTION
17
(Page 30)
ROTARY
OPERATION
ENCODER
DIAL
S936
ROTARY
MASTER
ENCODER
VOLUME
S935
HCD-GN1100D
KEY2
83 XIN
S900 – 905, 907 - 914,
|
916 - 928, 934, 937
KEY0
82 XOUT
Q900
LED SELECTOR 80
IC900
DISPLAY CONTROL,
KEY CONTROL
G1,22,23
LED DRIVE
Q906-916, 921
48 VKK
68 BF4
69
BF3
70 BF2
BF1
71
67 ALL BAND
72 OPERATION DIAL
IC401 (6/6)
SYSTEM CONTROL
74 VOLUME
I2C DATA 60 30 IIC-DATA
I2C CLK 61 29 IIC-CLK
RESET 77 40 GC-RESET
D904
(R)
LED DRIVE
41 STBY-LED
Q904,905
D930
(G)
S934
74 POWER-KEY
73 DISPLAY-KEY
S900
DISPLAY
IC901
4 SIRCS
REMOTE CONTROL
RECEIVER
15 X-IN
X402
5MHz
13 X-OUT
10 XC-IN
X401
32.768kHz
11 XC-OUT
LED+9V
Q903
Q902
Q901
D905, 907, 909, 912, 914,
916, 918, 922, 924, 926
D906, 908, 910, 913, 915, 917,
919, 921, 929, 923, 925, 927
NO.402
IIC-DATA
(FOR CHECK)
IIC-CLK
SW +9V
M +9V
LED +9V
OVER VOLTAGE DET 68
+5V REG.
AU +5V
Q103
A +9V
ST +9V
AUDIO +9V
BIAS +9V
REG. SWITCH
Q104
REG. SWITCH
MTK-POWER 78
Q518, 503
+SW3.3V
V +5V
AU+5V
+SW5V
(ZIVA)
STBY-RELAY 7
CN402
D3.3V
(3/3)
RESET (FOR CHECK)
IC501
RESET
RESET 12 SWITCH 1 LEVEL 2
Q501 DETECT
AC-CUT 20
32 32
D672
AMP VL(AC)
X
K
SECTION
(Page 31)
TRANSFORMER
F1261
VL
+VL
RECT
VL
D658
–VL
F1271 GND
F1241
VH
+VH
RECT
UNREG VH
D656
–VH
EXCEPT TH
F1251
VOLTAGE
CHECK
– 33V R1292
VP
– VG
Q504, 550
REGULATOR
(-32V)
Q1264
D1292
RECT
R480
VF
IC561
VF1
TO FLUORESCENT
+9V REG
INDICATOR TUBE
VF
FL901
VF2
F1281
AC3
IC560
RECT
AC3
D560
+9V REG
IC507
MB +9V
+9V REG
F1291
IC559 AC4
+B SWITCH RECT
AC4
Q513,520 D561
+3.3V REG
D506
AC CUT
IC558 MAIN DETECT
X J
SECTION
+5V REG
(Page 30)
RY1200
POWER ON/OFF
RELAY DRIVE
Q1200
B+ SWITCH
Q523, 524
D505
M+9V
POWER
EVER +4V
SWITCHING
D501
T1200
POWER
EXCEPT TH
S1200
S1200 VOLTAGE
SELECTOR
230 – 240V
|
220V
|
120V
TH
AC IN